Seen on Reddit: https://www.reddit.com/r/firefox/comments/gx1oiv/ipv6/ In worst case you could put Cloudflare in front of the current legacy IP-only CDN. https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-internet-facing-load-balancers.html > EC2-Classic > Load balancers in EC2-Classic support both IPv4 and IPv6 addresses. The console displays the following public DNS names: > ``` > name-123456789.region.elb.amazonaws.com > ipv6.name-123456789.region.elb.amazonaws.com > dualstack.name-123456789.region.elb.amazonaws.com > ``` > The base public DNS name returns only IPv4 records. The public DNS name with the ipv6 prefix returns only IPv6 records. The public DNS name with the dualstack prefix returns both IPv4 and IPv6 records. We recommend that you enable IPv6 support by using the DNS name with the dualstack prefix to ensure that clients can access the load balancer using either IPv4 or IPv6. > > Clients can connect to your load balancer in EC2-Classic using either IPv4 or IPv6. However, communication between the load balancer and its back-end instances uses only IPv4, regardless of how the client communicates with your load balancer. Servo has a similar problem: https://download.servo.org just needs to point to https://servo-builds.s3.dualstack.us-west-2.amazonaws.com/index.html.
Bug 1244282 Comment 11 Edit History
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Seen on Reddit: https://www.reddit.com/r/firefox/comments/gx1oiv/ipv6/ In worst case you could put Cloudflare in front of the current legacy-IP-only CDN. https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-internet-facing-load-balancers.html > EC2-Classic > Load balancers in EC2-Classic support both IPv4 and IPv6 addresses. The console displays the following public DNS names: > ``` > name-123456789.region.elb.amazonaws.com > ipv6.name-123456789.region.elb.amazonaws.com > dualstack.name-123456789.region.elb.amazonaws.com > ``` > The base public DNS name returns only IPv4 records. The public DNS name with the ipv6 prefix returns only IPv6 records. The public DNS name with the dualstack prefix returns both IPv4 and IPv6 records. We recommend that you enable IPv6 support by using the DNS name with the dualstack prefix to ensure that clients can access the load balancer using either IPv4 or IPv6. > > Clients can connect to your load balancer in EC2-Classic using either IPv4 or IPv6. However, communication between the load balancer and its back-end instances uses only IPv4, regardless of how the client communicates with your load balancer. Servo has a similar problem: https://download.servo.org just needs to point to https://servo-builds.s3.dualstack.us-west-2.amazonaws.com/index.html.